HP vintage boards being sold as scrap

Brent Hilpert bhilpert at shaw.ca
Wed Sep 25 14:00:35 CDT 2019


On 2019-Sep-25, at 3:07 AM, Guy Dunphy via cctalk wrote:

> Does anyone else recognise some of the other boards?


There is a stack of IO interface boards, including HSTs, for the HP 2100/1000 series there.

Lower-right stack in this pic, 7 boards, boards have one red and one grey handle:
	https://i.ebayimg.com/images/g/n08AAOSwjY5dg5Kd/s-l1600.jpg

"HS Terminal" is discernible on one of them, and the one on top looks to be an HS Terminal as well.
Can't be certain about the others but they have the same size IO connector, they may all be HSTs.

HSTs are the basic RS232 & current loop, async serial-line interface boards, 12531D, used for the console and such in the 2100/1000 series,
going back to the early machines of the series.

(HS is 'High-Speed', but that's relative to the late-60s, billed for up to 2400bps, but it is possible to operate them at higher speeds).

I'd buy one for, say 60$, if someone picks up the bunch and wants to flog one.
 


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